Question Detail

CHM 101 Errors and Stoichiometry Objective Question

Question

What is the percentage of oxygen in H₃PO₄? (Molar mass = 97.99 g, O₄ = 64.00 g)
Options
A 3.086%
B 31.61%
C 65.31%
Correct Answer
D 64.00%
Correct Answer

Option C is the correct answer.

Detailed Explanation

% O = (64.00 / 97.99) × 100 = 65.31%.

Hint

The notes provide this percentage.

Question Info